Jannik Sinner won the ATP Finals against Taylor Fritz in front of a home crowd. For a man who is still under a doping cloud, Sinner is hitting the cleanest winners.

There “could have been better communication” in explaining the rules involved in Jannik Sinner's doping case, ATP Tour chairman Andrea Gaudenzi acknowledged Thursday. However, Gaudenzi said at the ATP Finals that anyone hinting that a “double standard” was applied because of top-ranked Sinner’s status is “unfair because the rules have been the same.

There "could have been better communication" in explaining the rules involved in Jannik Sinner's doping case, but no double standard was applied, ATP Tour chairman Andrea Gaudenzi acknowledged.